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<pre class="prettyprint lang-js"><span id='Ext-chart-MaskLayer'>/**
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</span> * @private
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*/
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Ext.define('Ext.chart.MaskLayer', {
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extend: 'Ext.Component',
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<span id='Ext-chart-MaskLayer-method-constructor'> constructor: function(config) {
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</span> config = Ext.apply(config || {}, {
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style: 'position:absolute;background-color:#ff9;cursor:crosshair;opacity:0.5;border:1px solid #00f;'
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});
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this.callParent([config]);
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},
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<span id='Ext-chart-MaskLayer-method-initComponent'> initComponent: function() {
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</span> var me = this;
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me.callParent(arguments);
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me.addEvents(
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'mousedown',
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'mouseup',
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'mousemove',
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'mouseenter',
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'mouseleave'
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);
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},
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<span id='Ext-chart-MaskLayer-method-initDraggable'> initDraggable: function() {
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</span> this.callParent(arguments);
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this.dd.onStart = function (e) {
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var me = this,
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comp = me.comp;
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// Cache the start [X, Y] array
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this.startPosition = comp.getPosition(true);
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// If client Component has a ghost method to show a lightweight version of itself
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// then use that as a drag proxy unless configured to liveDrag.
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if (comp.ghost && !comp.liveDrag) {
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me.proxy = comp.ghost();
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me.dragTarget = me.proxy.header.el;
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}
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// Set the constrainTo Region before we start dragging.
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if (me.constrain || me.constrainDelegate) {
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me.constrainTo = me.calculateConstrainRegion();
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}
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};
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}
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});</pre>
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